vid_wgl.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // gl_vidnt.c -- NT GL vid component
  21
  22 // we don't need a very new dinput
  23 #define DIRECTINPUT_VERSION 0x0300
  24
  25 #include "quakedef.h"
  26 #include <windows.h>
  27 #include <mmsystem.h>
  28 #include <dsound.h>
  29 #include "resource.h"
  30 #include <commctrl.h>
  31 #include <dinput.h>
  32
  33 extern HINSTANCE global_hInstance;
  34
  35
  36 #ifndef WM_MOUSEWHEEL
  37 #define WM_MOUSEWHEEL                   0x020A
  38 #endif
  39
  40 // Tell startup code that we have a client
  41 int cl_available = true;
  42
  43 qboolean vid_supportrefreshrate = true;
  44
  45 static int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
  46 static int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
  47 //static int (WINAPI *qwglGetPixelFormat)(HDC);
  48 static BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
  49 static BOOL (WINAPI *qwglSwapBuffers)(HDC);
  50 static HGLRC (WINAPI *qwglCreateContext)(HDC);
  51 static BOOL (WINAPI *qwglDeleteContext)(HGLRC);
  52 static HGLRC (WINAPI *qwglGetCurrentContext)(VOID);
  53 static HDC (WINAPI *qwglGetCurrentDC)(VOID);
  54 static PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
  55 static BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
  56 static BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
  57 static const char *(WINAPI *qwglGetExtensionsStringARB)(HDC hdc);
  58
  59 static dllfunction_t wglfuncs[] =
  60 {
  61         {"wglChoosePixelFormat", (void **) &qwglChoosePixelFormat},
  62         {"wglDescribePixelFormat", (void **) &qwglDescribePixelFormat},
  63 //      {"wglGetPixelFormat", (void **) &qwglGetPixelFormat},
  64         {"wglSetPixelFormat", (void **) &qwglSetPixelFormat},
  65         {"wglSwapBuffers", (void **) &qwglSwapBuffers},
  66         {"wglCreateContext", (void **) &qwglCreateContext},
  67         {"wglDeleteContext", (void **) &qwglDeleteContext},
  68         {"wglGetProcAddress", (void **) &qwglGetProcAddress},
  69         {"wglMakeCurrent", (void **) &qwglMakeCurrent},
  70         {"wglGetCurrentContext", (void **) &qwglGetCurrentContext},
  71         {"wglGetCurrentDC", (void **) &qwglGetCurrentDC},
  72         {NULL, NULL}
  73 };
  74
  75 static dllfunction_t wglswapintervalfuncs[] =
  76 {
  77         {"wglSwapIntervalEXT", (void **) &qwglSwapIntervalEXT},
  78         {NULL, NULL}
  79 };
  80
  81 static DEVMODE gdevmode;
  82 static qboolean vid_initialized = false;
  83 static qboolean vid_wassuspended = false;
  84 static qboolean vid_usingmouse = false;
  85 static qboolean vid_usingvsync = false;
  86 static qboolean vid_usevsync = false;
  87 static HICON hIcon;
  88
  89 // used by cd_win.c and snd_win.c
  90 HWND mainwindow;
  91
  92 static HDC       baseDC;
  93 static HGLRC baseRC;
  94
  95 //HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
  96
  97 static qboolean vid_isfullscreen;
  98
  99 //void VID_MenuDraw (void);
 100 //void VID_MenuKey (int key);
 101
 102 //LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
 103 //void AppActivate(BOOL fActive, BOOL minimize);
 104 //void ClearAllStates (void);
 105 //void VID_UpdateWindowStatus (void);
 106
 107 //====================================
 108
 109 static int window_x, window_y;
 110
 111 static void IN_Activate (qboolean grab);
 112
 113 static qboolean mouseinitialized;
 114 static qboolean dinput;
 115
 116 // input code
 117
 118 #define DINPUT_BUFFERSIZE           16
 119 #define iDirectInputCreate(a,b,c,d)     pDirectInputCreate(a,b,c,d)
 120
 121 static HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion, LPDIRECTINPUT * lplpDirectInput, LPUNKNOWN punkOuter);
 122
 123 // LordHavoc: thanks to backslash for this support for mouse buttons 4 and 5
 124 /* backslash :: imouse explorer buttons */
 125 /* These are #ifdefed out for non-Win2K in the February 2001 version of
 126    MS's platform SDK, but we need them for compilation. . . */
 127 #ifndef WM_XBUTTONDOWN
 128    #define WM_XBUTTONDOWN      0x020B
 129    #define WM_XBUTTONUP      0x020C
 130 #endif
 131 #ifndef MK_XBUTTON1
 132    #define MK_XBUTTON1         0x0020
 133    #define MK_XBUTTON2         0x0040
 134 // LordHavoc: lets hope this allows more buttons in the future...
 135    #define MK_XBUTTON3         0x0080
 136    #define MK_XBUTTON4         0x0100
 137    #define MK_XBUTTON5         0x0200
 138    #define MK_XBUTTON6         0x0400
 139    #define MK_XBUTTON7         0x0800
 140 #endif
 141 /* :: backslash */
 142
 143 // mouse variables
 144 static int                      mouse_buttons;
 145 static int                      mouse_oldbuttonstate;
 146
 147 static unsigned int uiWheelMessage;
 148 static qboolean dinput_acquired;
 149
 150 static unsigned int             mstate_di;
 151
 152 // joystick defines and variables
 153 // where should defines be moved?
 154 #define JOY_ABSOLUTE_AXIS       0x00000000              // control like a joystick
 155 #define JOY_RELATIVE_AXIS       0x00000010              // control like a mouse, spinner, trackball
 156 #define JOY_MAX_AXES            6                               // X, Y, Z, R, U, V
 157 #define JOY_AXIS_X                      0
 158 #define JOY_AXIS_Y                      1
 159 #define JOY_AXIS_Z                      2
 160 #define JOY_AXIS_R                      3
 161 #define JOY_AXIS_U                      4
 162 #define JOY_AXIS_V                      5
 163
 164 enum _ControlList
 165 {
 166         AxisNada = 0, AxisForward, AxisLook, AxisSide, AxisTurn
 167 };
 168
 169 static DWORD    dwAxisFlags[JOY_MAX_AXES] =
 170 {
 171         JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, JOY_RETURNR, JOY_RETURNU, JOY_RETURNV
 172 };
 173
 174 static DWORD    dwAxisMap[JOY_MAX_AXES];
 175 static DWORD    dwControlMap[JOY_MAX_AXES];
 176 static PDWORD   pdwRawValue[JOY_MAX_AXES];
 177
 178 // none of these cvars are saved over a session
 179 // this means that advanced controller configuration needs to be executed
 180 // each time.  this avoids any problems with getting back to a default usage
 181 // or when changing from one controller to another.  this way at least something
 182 // works.
 183 static cvar_t in_joystick = {CVAR_SAVE, "joystick","0", "enables joysticks"};
 184 static cvar_t joy_name = {0, "joyname", "joystick", "name of joystick to use (informational only, used only by joyadvanced 1 mode)"};
 185 static cvar_t joy_advanced = {0, "joyadvanced", "0", "use more than 2 axis joysticks (configuring this is very technical)"};
 186 static cvar_t joy_advaxisx = {0, "joyadvaxisx", "0", "axis mapping for joyadvanced 1 mode"};
 187 static cvar_t joy_advaxisy = {0, "joyadvaxisy", "0", "axis mapping for joyadvanced 1 mode"};
 188 static cvar_t joy_advaxisz = {0, "joyadvaxisz", "0", "axis mapping for joyadvanced 1 mode"};
 189 static cvar_t joy_advaxisr = {0, "joyadvaxisr", "0", "axis mapping for joyadvanced 1 mode"};
 190 static cvar_t joy_advaxisu = {0, "joyadvaxisu", "0", "axis mapping for joyadvanced 1 mode"};
 191 static cvar_t joy_advaxisv = {0, "joyadvaxisv", "0", "axis mapping for joyadvanced 1 mode"};
 192 static cvar_t joy_forwardthreshold = {0, "joyforwardthreshold", "0.15", "minimum joystick movement necessary to move forward"};
 193 static cvar_t joy_sidethreshold = {0, "joysidethreshold", "0.15", "minimum joystick movement necessary to move sideways (strafing)"};
 194 static cvar_t joy_pitchthreshold = {0, "joypitchthreshold", "0.15", "minimum joystick movement necessary to look up/down"};
 195 static cvar_t joy_yawthreshold = {0, "joyyawthreshold", "0.15", "minimum joystick movement necessary to turn left/right"};
 196 static cvar_t joy_forwardsensitivity = {0, "joyforwardsensitivity", "-1.0", "how fast the joystick moves forward"};
 197 static cvar_t joy_sidesensitivity = {0, "joysidesensitivity", "-1.0", "how fast the joystick moves sideways (strafing)"};
 198 static cvar_t joy_pitchsensitivity = {0, "joypitchsensitivity", "1.0", "how fast the joystick looks up/down"};
 199 static cvar_t joy_yawsensitivity = {0, "joyyawsensitivity", "-1.0", "how fast the joystick turns left/right"};
 200 static cvar_t joy_wwhack1 = {0, "joywwhack1", "0.0", "special hack for wingman warrior"};
 201 static cvar_t joy_wwhack2 = {0, "joywwhack2", "0.0", "special hack for wingman warrior"};
 202
 203 static qboolean joy_avail, joy_advancedinit, joy_haspov;
 204 static DWORD            joy_oldbuttonstate, joy_oldpovstate;
 205
 206 static int                      joy_id;
 207 static DWORD            joy_flags;
 208 static DWORD            joy_numbuttons;
 209
 210 static LPDIRECTINPUT            g_pdi;
 211 static LPDIRECTINPUTDEVICE      g_pMouse;
 212
 213 static JOYINFOEX        ji;
 214
 215 static HINSTANCE hInstDI;
 216
 217 // forward-referenced functions
 218 static void IN_StartupJoystick (void);
 219 static void Joy_AdvancedUpdate_f (void);
 220 static void IN_JoyMove (void);
 221 static void IN_StartupMouse (void);
 222
 223
 224 //====================================
 225
 226 void VID_Finish (qboolean allowmousegrab)
 227 {
 228         qboolean vid_usemouse;
 229
 230         vid_usevsync = vid_vsync.integer && !cls.timedemo && gl_videosyncavailable;
 231         if (vid_usingvsync != vid_usevsync && gl_videosyncavailable)
 232         {
 233                 vid_usingvsync = vid_usevsync;
 234                 qwglSwapIntervalEXT (vid_usevsync);
 235         }
 236
 237 // handle the mouse state when windowed if that's changed
 238         vid_usemouse = false;
 239         if (allowmousegrab && vid_mouse.integer && !key_consoleactive && (key_dest != key_game || !cls.demoplayback))
 240                 vid_usemouse = true;
 241         if (vid_isfullscreen)
 242                 vid_usemouse = true;
 243         if (!vid_activewindow)
 244                 vid_usemouse = false;
 245         IN_Activate(vid_usemouse);
 246
 247         if (r_render.integer && !vid_hidden)
 248         {
 249                 CHECKGLERROR
 250                 if (r_speeds.integer || gl_finish.integer)
 251                 {
 252                         qglFinish();CHECKGLERROR
 253                 }
 254                 SwapBuffers(baseDC);
 255         }
 256
 257         VID_UpdateGamma(false, 256);
 258 }
 259
 260 //==========================================================================
 261
 262
 263
 264
 265 static unsigned char scantokey[128] =
 266 {
 267 //  0           1       2    3     4     5       6       7      8         9      A          B           C       D           E           F
 268         0          ,27    ,'1'  ,'2'  ,'3'  ,'4'    ,'5'    ,'6'   ,'7'      ,'8'   ,'9'       ,'0'        ,'-'   ,'='         ,K_BACKSPACE,9    ,//0
 269         'q'        ,'w'   ,'e'  ,'r'  ,'t'  ,'y'    ,'u'    ,'i'   ,'o'      ,'p'   ,'['       ,']'        ,13    ,K_CTRL      ,'a'        ,'s'  ,//1
 270         'd'        ,'f'   ,'g'  ,'h'  ,'j'  ,'k'    ,'l'    ,';'   ,'\''     ,'`'   ,K_SHIFT   ,'\\'       ,'z'   ,'x'         ,'c'        ,'v'  ,//2
 271         'b'        ,'n'   ,'m'  ,','  ,'.'  ,'/'    ,K_SHIFT,'*'   ,K_ALT    ,' '   ,0         ,K_F1       ,K_F2  ,K_F3        ,K_F4       ,K_F5 ,//3
 272         K_F6       ,K_F7  ,K_F8 ,K_F9 ,K_F10,K_PAUSE,0      ,K_HOME,K_UPARROW,K_PGUP,K_KP_MINUS,K_LEFTARROW,K_KP_5,K_RIGHTARROW,K_KP_PLUS  ,K_END,//4
 273         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0    ,0      ,0      ,K_F11 ,K_F12    ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//5
 274         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0    ,//6
 275         0          ,0     ,0    ,0    ,0    ,0      ,0      ,0     ,0        ,0     ,0         ,0          ,0     ,0           ,0          ,0     //7
 276 };
 277
 278
 279 /*
 280 =======
 281 MapKey
 282
 283 Map from windows to quake keynums
 284 =======
 285 */
 286 static int MapKey (int key, int virtualkey)
 287 {
 288         int result;
 289         int modified = (key >> 16) & 255;
 290         qboolean is_extended = false;
 291
 292         if (modified < 128 && scantokey[modified])
 293                 result = scantokey[modified];
 294         else
 295         {
 296                 result = 0;
 297                 Con_DPrintf("key 0x%02x (0x%8x, 0x%8x) has no translation\n", modified, key, virtualkey);
 298         }
 299
 300         if (key & (1 << 24))
 301                 is_extended = true;
 302
 303         if ( !is_extended )
 304         {
 305                 switch ( result )
 306                 {
 307                 case K_HOME:
 308                         return K_KP_HOME;
 309                 case K_UPARROW:
 310                         return K_KP_UPARROW;
 311                 case K_PGUP:
 312                         return K_KP_PGUP;
 313                 case K_LEFTARROW:
 314                         return K_KP_LEFTARROW;
 315                 case K_RIGHTARROW:
 316                         return K_KP_RIGHTARROW;
 317                 case K_END:
 318                         return K_KP_END;
 319                 case K_DOWNARROW:
 320                         return K_KP_DOWNARROW;
 321                 case K_PGDN:
 322                         return K_KP_PGDN;
 323                 case K_INS:
 324                         return K_KP_INS;
 325                 case K_DEL:
 326                         return K_KP_DEL;
 327                 default:
 328                         return result;
 329                 }
 330         }
 331         else
 332         {
 333                 switch ( result )
 334                 {
 335                 case 0x0D:
 336                         return K_KP_ENTER;
 337                 case 0x2F:
 338                         return K_KP_SLASH;
 339                 case 0xAF:
 340                         return K_KP_PLUS;
 341                 }
 342                 return result;
 343         }
 344 }
 345
 346 /*
 347 ===================================================================
 348
 349 MAIN WINDOW
 350
 351 ===================================================================
 352 */
 353
 354 /*
 355 ================
 356 ClearAllStates
 357 ================
 358 */
 359 static void ClearAllStates (void)
 360 {
 361         Key_ClearStates ();
 362         if (vid_usingmouse)
 363                 mouse_oldbuttonstate = 0;
 364 }
 365
 366 void AppActivate(BOOL fActive, BOOL minimize)
 367 /****************************************************************************
 368 *
 369 * Function:     AppActivate
 370 * Parameters:   fActive - True if app is activating
 371 *
 372 * Description:  If the application is activating, then swap the system
 373 *               into SYSPAL_NOSTATIC mode so that our palettes will display
 374 *               correctly.
 375 *
 376 ****************************************************************************/
 377 {
 378         static qboolean sound_active = false;  // initially blocked by Sys_InitConsole()
 379
 380         vid_activewindow = fActive;
 381         vid_hidden = minimize;
 382
 383         // enable/disable sound on focus gain/loss
 384         if (!vid_hidden && (vid_activewindow || !snd_mutewhenidle.integer))
 385         {
 386                 if (!sound_active)
 387                 {
 388                         S_UnblockSound ();
 389                         sound_active = true;
 390                 }
 391         }
 392         else
 393         {
 394                 if (sound_active)
 395                 {
 396                         S_BlockSound ();
 397                         sound_active = false;
 398                 }
 399         }
 400
 401         if (fActive)
 402         {
 403                 if (vid_isfullscreen)
 404                 {
 405                         if (vid_wassuspended)
 406                         {
 407                                 vid_wassuspended = false;
 408                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
 409                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
 410                         }
 411
 412                         // LordHavoc: from dabb, fix for alt-tab bug in NVidia drivers
 413                         MoveWindow(mainwindow,0,0,gdevmode.dmPelsWidth,gdevmode.dmPelsHeight,false);
 414                 }
 415         }
 416
 417         if (!fActive)
 418         {
 419                 IN_Activate (false);
 420                 if (vid_isfullscreen)
 421                 {
 422                         ChangeDisplaySettings (NULL, 0);
 423                         vid_wassuspended = true;
 424                 }
 425                 VID_RestoreSystemGamma();
 426         }
 427 }
 428
 429 //TODO: move it around in vid_wgl.c since I dont think this is the right position
 430 void Sys_SendKeyEvents (void)
 431 {
 432         MSG msg;
 433
 434         while (PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
 435         {
 436                 if (!GetMessage (&msg, NULL, 0, 0))
 437                         Sys_Quit (1);
 438
 439                 TranslateMessage (&msg);
 440                 DispatchMessage (&msg);
 441         }
 442 }
 443
 444 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
 445
 446 static keynum_t buttonremap[16] =
 447 {
 448         K_MOUSE1,
 449         K_MOUSE2,
 450         K_MOUSE3,
 451         K_MOUSE4,
 452         K_MOUSE5,
 453         K_MOUSE6,
 454         K_MOUSE7,
 455         K_MOUSE8,
 456         K_MOUSE9,
 457         K_MOUSE10,
 458         K_MOUSE11,
 459         K_MOUSE12,
 460         K_MOUSE13,
 461         K_MOUSE14,
 462         K_MOUSE15,
 463         K_MOUSE16,
 464 };
 465
 466 /* main window procedure */
 467 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM  wParam, LPARAM lParam)
 468 {
 469         LONG    lRet = 1;
 470         int             fActive, fMinimized, temp;
 471         char    state[256];
 472         char    asciichar[4];
 473         int             vkey;
 474         int             charlength;
 475         qboolean down = false;
 476
 477         if ( uMsg == uiWheelMessage )
 478                 uMsg = WM_MOUSEWHEEL;
 479
 480         switch (uMsg)
 481         {
 482                 case WM_KILLFOCUS:
 483                         if (vid_isfullscreen)
 484                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
 485                         break;
 486
 487                 case WM_CREATE:
 488                         break;
 489
 490                 case WM_MOVE:
 491                         window_x = (int) LOWORD(lParam);
 492                         window_y = (int) HIWORD(lParam);
 493                         IN_Activate(false);
 494                         break;
 495
 496                 case WM_KEYDOWN:
 497                 case WM_SYSKEYDOWN:
 498                         down = true;
 499                 case WM_KEYUP:
 500                 case WM_SYSKEYUP:
 501                         vkey = MapKey(lParam, wParam);
 502                         GetKeyboardState (state);
 503                         // alt/ctrl/shift tend to produce funky ToAscii values,
 504                         // and if it's not a single character we don't know care about it
 505                         charlength = ToAscii (wParam, lParam >> 16, state, (unsigned short *)asciichar, 0);
 506                         if (vkey == K_ALT || vkey == K_CTRL || vkey == K_SHIFT || charlength == 0)
 507                                 asciichar[0] = 0;
 508                         else if( charlength == 2 ) {
 509                                 asciichar[0] = asciichar[1];
 510                         }
 511                         Key_Event (vkey, asciichar[0], down);
 512                         break;
 513
 514                 case WM_SYSCHAR:
 515                 // keep Alt-Space from happening
 516                         break;
 517
 518         // this is complicated because Win32 seems to pack multiple mouse events into
 519         // one update sometimes, so we always check all states and look for events
 520                 case WM_LBUTTONDOWN:
 521                 case WM_LBUTTONUP:
 522                 case WM_RBUTTONDOWN:
 523                 case WM_RBUTTONUP:
 524                 case WM_MBUTTONDOWN:
 525                 case WM_MBUTTONUP:
 526                 case WM_XBUTTONDOWN:   // backslash :: imouse explorer buttons
 527                 case WM_XBUTTONUP:      // backslash :: imouse explorer buttons
 528                 case WM_MOUSEMOVE:
 529                         temp = 0;
 530
 531                         if (wParam & MK_LBUTTON)
 532                                 temp |= 1;
 533
 534                         if (wParam & MK_RBUTTON)
 535                                 temp |= 2;
 536
 537                         if (wParam & MK_MBUTTON)
 538                                 temp |= 4;
 539
 540                         /* backslash :: imouse explorer buttons */
 541                         if (wParam & MK_XBUTTON1)
 542                                 temp |= 8;
 543
 544                         if (wParam & MK_XBUTTON2)
 545                                 temp |= 16;
 546                         /* :: backslash */
 547
 548                         // LordHavoc: lets hope this allows more buttons in the future...
 549                         if (wParam & MK_XBUTTON3)
 550                                 temp |= 32;
 551                         if (wParam & MK_XBUTTON4)
 552                                 temp |= 64;
 553                         if (wParam & MK_XBUTTON5)
 554                                 temp |= 128;
 555                         if (wParam & MK_XBUTTON6)
 556                                 temp |= 256;
 557                         if (wParam & MK_XBUTTON7)
 558                                 temp |= 512;
 559
 560                         if (vid_usingmouse && !dinput_acquired)
 561                         {
 562                                 // perform button actions
 563                                 int i;
 564                                 for (i=0 ; i<mouse_buttons && i < 16 ; i++)
 565                                         if ((temp ^ mouse_oldbuttonstate) & (1<<i))
 566                                                 Key_Event (buttonremap[i], 0, (temp & (1<<i)) != 0);
 567                                 mouse_oldbuttonstate = temp;
 568                         }
 569
 570                         break;
 571
 572                 // JACK: This is the mouse wheel with the Intellimouse
 573                 // Its delta is either positive or neg, and we generate the proper
 574                 // Event.
 575                 case WM_MOUSEWHEEL:
 576                         if ((short) HIWORD(wParam) > 0) {
 577                                 Key_Event(K_MWHEELUP, 0, true);
 578                                 Key_Event(K_MWHEELUP, 0, false);
 579                         } else {
 580                                 Key_Event(K_MWHEELDOWN, 0, true);
 581                                 Key_Event(K_MWHEELDOWN, 0, false);
 582                         }
 583                         break;
 584
 585                 case WM_SIZE:
 586                         break;
 587
 588                 case WM_CLOSE:
 589                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit", MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
 590                                 Sys_Quit (0);
 591
 592                         break;
 593
 594                 case WM_ACTIVATE:
 595                         fActive = LOWORD(wParam);
 596                         fMinimized = (BOOL) HIWORD(wParam);
 597                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
 598
 599                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
 600                         ClearAllStates ();
 601
 602                         break;
 603
 604                 //case WM_DESTROY:
 605                 //      PostQuitMessage (0);
 606                 //      break;
 607
 608                 case MM_MCINOTIFY:
 609                         lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
 610                         break;
 611
 612                 default:
 613                         /* pass all unhandled messages to DefWindowProc */
 614                         lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
 615                 break;
 616         }
 617
 618         /* return 1 if handled message, 0 if not */
 619         return lRet;
 620 }
 621
 622 int VID_SetGamma(unsigned short *ramps, int rampsize)
 623 {
 624         HDC hdc = GetDC (NULL);
 625         int i = SetDeviceGammaRamp(hdc, ramps);
 626         ReleaseDC (NULL, hdc);
 627         return i; // return success or failure
 628 }
 629
 630 int VID_GetGamma(unsigned short *ramps, int rampsize)
 631 {
 632         HDC hdc = GetDC (NULL);
 633         int i = GetDeviceGammaRamp(hdc, ramps);
 634         ReleaseDC (NULL, hdc);
 635         return i; // return success or failure
 636 }
 637
 638 static HINSTANCE gldll;
 639
 640 static void GL_CloseLibrary(void)
 641 {
 642         FreeLibrary(gldll);
 643         gldll = 0;
 644         gl_driver[0] = 0;
 645         qwglGetProcAddress = NULL;
 646         gl_extensions = "";
 647         gl_platform = "";
 648         gl_platformextensions = "";
 649 }
 650
 651 static int GL_OpenLibrary(const char *name)
 652 {
 653         Con_Printf("Loading OpenGL driver %s\n", name);
 654         GL_CloseLibrary();
 655         if (!(gldll = LoadLibrary(name)))
 656         {
 657                 Con_Printf("Unable to LoadLibrary %s\n", name);
 658                 return false;
 659         }
 660         strlcpy(gl_driver, name, sizeof(gl_driver));
 661         return true;
 662 }
 663
 664 void *GL_GetProcAddress(const char *name)
 665 {
 666         void *p = NULL;
 667         if (qwglGetProcAddress != NULL)
 668                 p = (void *) qwglGetProcAddress(name);
 669         if (p == NULL)
 670                 p = (void *) GetProcAddress(gldll, name);
 671         return p;
 672 }
 673
 674 static void IN_Init(void);
 675 void VID_Init(void)
 676 {
 677         WNDCLASS wc;
 678
 679         InitCommonControls();
 680         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON1));
 681
 682         // Register the frame class
 683         wc.style         = 0;
 684         wc.lpfnWndProc   = (WNDPROC)MainWndProc;
 685         wc.cbClsExtra    = 0;
 686         wc.cbWndExtra    = 0;
 687         wc.hInstance     = global_hInstance;
 688         wc.hIcon         = hIcon;
 689         wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
 690         wc.hbrBackground = NULL;
 691         wc.lpszMenuName  = 0;
 692         wc.lpszClassName = "DarkPlacesWindowClass";
 693
 694         if (!RegisterClass (&wc))
 695                 Con_Printf ("Couldn't register window class\n");
 696
 697         IN_Init();
 698 }
 699
 700 int VID_InitMode (int fullscreen, int width, int height, int bpp, int refreshrate, int stereobuffer)
 701 {
 702         int i;
 703         HDC hdc;
 704         RECT rect;
 705         MSG msg;
 706         PIXELFORMATDESCRIPTOR pfd =
 707         {
 708                 sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
 709                 1,                              // version number
 710                 PFD_DRAW_TO_WINDOW              // support window
 711                 |  PFD_SUPPORT_OPENGL   // support OpenGL
 712                 |  PFD_DOUBLEBUFFER ,   // double buffered
 713                 PFD_TYPE_RGBA,                  // RGBA type
 714                 24,                             // 24-bit color depth
 715                 0, 0, 0, 0, 0, 0,               // color bits ignored
 716                 0,                              // no alpha buffer
 717                 0,                              // shift bit ignored
 718                 0,                              // no accumulation buffer
 719                 0, 0, 0, 0,                     // accum bits ignored
 720                 32,                             // 32-bit z-buffer
 721                 0,                              // no stencil buffer
 722                 0,                              // no auxiliary buffer
 723                 PFD_MAIN_PLANE,                 // main layer
 724                 0,                              // reserved
 725                 0, 0, 0                         // layer masks ignored
 726         };
 727         int pixelformat;
 728         DWORD WindowStyle, ExWindowStyle;
 729         int CenterX, CenterY;
 730         const char *gldrivername;
 731         int depth;
 732
 733         if (vid_initialized)
 734                 Sys_Error("VID_InitMode called when video is already initialised");
 735
 736         // if stencil is enabled, ask for alpha too
 737         if (bpp >= 32)
 738         {
 739                 pfd.cStencilBits = 8;
 740                 pfd.cAlphaBits = 8;
 741         }
 742         else
 743         {
 744                 pfd.cStencilBits = 0;
 745                 pfd.cAlphaBits = 0;
 746         }
 747
 748         if (stereobuffer)
 749                 pfd.dwFlags |= PFD_STEREO;
 750
 751         gldrivername = "opengl32.dll";
 752 // COMMANDLINEOPTION: Windows WGL: -gl_driver <drivername> selects a GL driver library, default is opengl32.dll, useful only for 3dfxogl.dll or 3dfxvgl.dll, if you don't know what this is for, you don't need it
 753         i = COM_CheckParm("-gl_driver");
 754         if (i && i < com_argc - 1)
 755                 gldrivername = com_argv[i + 1];
 756         if (!GL_OpenLibrary(gldrivername))
 757         {
 758                 Con_Printf("Unable to load GL driver %s\n", gldrivername);
 759                 return false;
 760         }
 761
 762         memset(&gdevmode, 0, sizeof(gdevmode));
 763
 764         vid_isfullscreen = false;
 765         if (fullscreen)
 766         {
 767                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY;
 768                 gdevmode.dmBitsPerPel = bpp;
 769                 gdevmode.dmPelsWidth = width;
 770                 gdevmode.dmPelsHeight = height;
 771                 gdevmode.dmDisplayFrequency = refreshrate;
 772                 gdevmode.dmSize = sizeof (gdevmode);
 773                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
 774                 {
 775                         VID_Shutdown();
 776                         Con_Printf("Unable to change to requested mode %dx%dx%dbpp\n", width, height, bpp);
 777                         return false;
 778                 }
 779
 780                 vid_isfullscreen = true;
 781                 WindowStyle = WS_POPUP;
 782                 ExWindowStyle = WS_EX_TOPMOST;
 783         }
 784         else
 785         {
 786                 hdc = GetDC (NULL);
 787                 i = GetDeviceCaps(hdc, RASTERCAPS);
 788                 depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
 789                 ReleaseDC (NULL, hdc);
 790                 if (i & RC_PALETTE)
 791                 {
 792                         VID_Shutdown();
 793                         Con_Print("Can't run in non-RGB mode\n");
 794                         return false;
 795                 }
 796                 if (bpp > depth)
 797                 {
 798                         VID_Shutdown();
 799                         Con_Print("A higher desktop depth is required to run this video mode\n");
 800                         return false;
 801                 }
 802
 803                 WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX;
 804                 ExWindowStyle = 0;
 805         }
 806
 807         rect.top = 0;
 808         rect.left = 0;
 809         rect.right = width;
 810         rect.bottom = height;
 811         AdjustWindowRectEx(&rect, WindowStyle, false, 0);
 812
 813         if (fullscreen)
 814         {
 815                 CenterX = 0;
 816                 CenterY = 0;
 817         }
 818         else
 819         {
 820                 CenterX = (GetSystemMetrics(SM_CXSCREEN) - (rect.right - rect.left)) / 2;
 821                 CenterY = (GetSystemMetrics(SM_CYSCREEN) - (rect.bottom - rect.top)) / 2;
 822         }
 823         CenterX = max(0, CenterX);
 824         CenterY = max(0, CenterY);
 825
 826         // x and y may be changed by WM_MOVE messages
 827         window_x = CenterX;
 828         window_y = CenterY;
 829         rect.left += CenterX;
 830         rect.right += CenterX;
 831         rect.top += CenterY;
 832         rect.bottom += CenterY;
 833
 834         mainwindow = CreateWindowEx (ExWindowStyle, "DarkPlacesWindowClass", gamename, WindowStyle, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, NULL, NULL, global_hInstance, NULL);
 835         if (!mainwindow)
 836         {
 837                 Con_Printf("CreateWindowEx(%d, %s, %s, %d, %d, %d, %d, %d, %p, %p, %d, %p) failed\n", (int)ExWindowStyle, "DarkPlacesWindowClass", gamename, (int)WindowStyle, (int)(rect.left), (int)(rect.top), (int)(rect.right - rect.left), (int)(rect.bottom - rect.top), NULL, NULL, (int)global_hInstance, NULL);
 838                 VID_Shutdown();
 839                 return false;
 840         }
 841
 842         /*
 843         if (!fullscreen)
 844                 SetWindowPos (mainwindow, NULL, CenterX, CenterY, 0, 0,SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
 845         */
 846
 847         ShowWindow (mainwindow, SW_SHOWDEFAULT);
 848         UpdateWindow (mainwindow);
 849
 850         // now we try to make sure we get the focus on the mode switch, because
 851         // sometimes in some systems we don't.  We grab the foreground, then
 852         // finish setting up, pump all our messages, and sleep for a little while
 853         // to let messages finish bouncing around the system, then we put
 854         // ourselves at the top of the z order, then grab the foreground again,
 855         // Who knows if it helps, but it probably doesn't hurt
 856         SetForegroundWindow (mainwindow);
 857
 858         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
 859         {
 860                 TranslateMessage (&msg);
 861                 DispatchMessage (&msg);
 862         }
 863
 864         Sleep (100);
 865
 866         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0, SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOCOPYBITS);
 867
 868         SetForegroundWindow (mainwindow);
 869
 870         // fix the leftover Alt from any Alt-Tab or the like that switched us away
 871         ClearAllStates ();
 872
 873         baseDC = GetDC(mainwindow);
 874
 875         if ((pixelformat = ChoosePixelFormat(baseDC, &pfd)) == 0)
 876         {
 877                 VID_Shutdown();
 878                 Con_Printf("ChoosePixelFormat(%d, %p) failed\n", (int)baseDC, &pfd);
 879                 return false;
 880         }
 881
 882         if (SetPixelFormat(baseDC, pixelformat, &pfd) == false)
 883         {
 884                 VID_Shutdown();
 885                 Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", (int)baseDC, pixelformat, &pfd);
 886                 return false;
 887         }
 888
 889         if (!GL_CheckExtension("wgl", wglfuncs, NULL, false))
 890         {
 891                 VID_Shutdown();
 892                 Con_Print("wgl functions not found\n");
 893                 return false;
 894         }
 895
 896         baseRC = qwglCreateContext(baseDC);
 897         if (!baseRC)
 898         {
 899                 VID_Shutdown();
 900                 Con_Print("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
 901                 return false;
 902         }
 903         if (!qwglMakeCurrent(baseDC, baseRC))
 904         {
 905                 VID_Shutdown();
 906                 Con_Printf("wglMakeCurrent(%d, %d) failed\n", (int)baseDC, (int)baseRC);
 907                 return false;
 908         }
 909
 910         if ((qglGetString = (const GLubyte* (GLAPIENTRY *)(GLenum name))GL_GetProcAddress("glGetString")) == NULL)
 911         {
 912                 VID_Shutdown();
 913                 Con_Print("glGetString not found\n");
 914                 return false;
 915         }
 916         if ((qwglGetExtensionsStringARB = (const char *(WINAPI *)(HDC hdc))GL_GetProcAddress("wglGetExtensionsStringARB")) == NULL)
 917                 Con_Print("wglGetExtensionsStringARB not found\n");
 918         gl_renderer = qglGetString(GL_RENDERER);
 919         gl_vendor = qglGetString(GL_VENDOR);
 920         gl_version = qglGetString(GL_VERSION);
 921         gl_extensions = qglGetString(GL_EXTENSIONS);
 922         gl_platform = "WGL";
 923         gl_platformextensions = "";
 924
 925         gl_videosyncavailable = false;
 926
 927         if (qwglGetExtensionsStringARB)
 928                 gl_platformextensions = qwglGetExtensionsStringARB(baseDC);
 929
 930 // COMMANDLINEOPTION: Windows WGL: -novideosync disables WGL_EXT_swap_control
 931         gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, "-novideosync", false);
 932         //ReleaseDC(mainwindow, hdc);
 933
 934         GL_Init ();
 935
 936         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
 937         if (strncasecmp(gl_vendor,"ATI",3)==0)
 938         {
 939                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
 940                         isRagePro = true;
 941         }
 942         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
 943                 isG200 = true;
 944
 945         //vid_menudrawfn = VID_MenuDraw;
 946         //vid_menukeyfn = VID_MenuKey;
 947         vid_usingmouse = false;
 948         vid_usingvsync = false;
 949         vid_hidden = false;
 950         vid_initialized = true;
 951
 952         IN_StartupMouse ();
 953         IN_StartupJoystick ();
 954
 955         if (gl_videosyncavailable)
 956         {
 957                 vid_usevsync = vid_vsync.integer;
 958                 vid_usingvsync = vid_vsync.integer;
 959                 qwglSwapIntervalEXT (vid_usevsync);
 960         }
 961
 962         return true;
 963 }
 964
 965 static void IN_Shutdown(void);
 966 void VID_Shutdown (void)
 967 {
 968         if(vid_initialized == false)
 969                 return;
 970
 971         VID_RestoreSystemGamma();
 972
 973         vid_initialized = false;
 974         IN_Shutdown();
 975         if (qwglMakeCurrent)
 976                 qwglMakeCurrent(NULL, NULL);
 977         if (baseRC && qwglDeleteContext)
 978                 qwglDeleteContext(baseRC);
 979         // close the library before we get rid of the window
 980         GL_CloseLibrary();
 981         if (baseDC && mainwindow)
 982                 ReleaseDC(mainwindow, baseDC);
 983         AppActivate(false, false);
 984         if (mainwindow)
 985                 DestroyWindow(mainwindow);
 986         mainwindow = 0;
 987         if (vid_isfullscreen)
 988                 ChangeDisplaySettings (NULL, 0);
 989         vid_isfullscreen = false;
 990 }
 991
 992 static void IN_Activate (qboolean grab)
 993 {
 994         static qboolean restore_spi;
 995         static int originalmouseparms[3];
 996
 997         if (!mouseinitialized)
 998                 return;
 999
1000         if (grab)
1001         {
1002                 if (!vid_usingmouse)
1003                 {
1004                         vid_usingmouse = true;
1005                         cl_ignoremousemove = true;
1006                         if (dinput && g_pMouse)
1007                         {
1008                                 IDirectInputDevice_Acquire(g_pMouse);
1009                                 dinput_acquired = true;
1010                         }
1011                         else
1012                         {
1013                                 RECT window_rect;
1014                                 window_rect.left = window_x;
1015                                 window_rect.top = window_y;
1016                                 window_rect.right = window_x + vid.width;
1017                                 window_rect.bottom = window_y + vid.height;
1018
1019                                 // change mouse settings to turn off acceleration
1020 // COMMANDLINEOPTION: Windows GDI Input: -noforcemparms disables setting of mouse parameters (not used with -dinput, windows only)
1021                                 if (!COM_CheckParm ("-noforcemparms") && SystemParametersInfo (SPI_GETMOUSE, 0, originalmouseparms, 0))
1022                                 {
1023                                         int newmouseparms[3];
1024                                         newmouseparms[0] = 0; // threshold to double movement (only if accel level is >= 1)
1025                                         newmouseparms[1] = 0; // threshold to quadruple movement (only if accel level is >= 2)
1026                                         newmouseparms[2] = 0; // maximum level of acceleration (0 = off)
1027                                         restore_spi = SystemParametersInfo (SPI_SETMOUSE, 0, newmouseparms, 0);
1028                                 }
1029                                 else
1030                                         restore_spi = false;
1031                                 SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1032
1033                                 SetCapture (mainwindow);
1034                                 ClipCursor (&window_rect);
1035                         }
1036                         ShowCursor (false);
1037                 }
1038         }
1039         else
1040         {
1041                 if (vid_usingmouse)
1042                 {
1043                         vid_usingmouse = false;
1044                         cl_ignoremousemove = true;
1045                         if (dinput_acquired)
1046                         {
1047                                 IDirectInputDevice_Unacquire(g_pMouse);
1048                                 dinput_acquired = false;
1049                         }
1050                         else
1051                         {
1052                                 // restore system mouseparms if we changed them
1053                                 if (restore_spi)
1054                                         SystemParametersInfo (SPI_SETMOUSE, 0, originalmouseparms, 0);
1055                                 restore_spi = false;
1056                                 ClipCursor (NULL);
1057                                 ReleaseCapture ();
1058                         }
1059                         ShowCursor (true);
1060                 }
1061         }
1062 }
1063
1064
1065 /*
1066 ===========
1067 IN_InitDInput
1068 ===========
1069 */
1070 static qboolean IN_InitDInput (void)
1071 {
1072     HRESULT             hr;
1073         DIPROPDWORD     dipdw = {
1074                 {
1075                         sizeof(DIPROPDWORD),        // diph.dwSize
1076                         sizeof(DIPROPHEADER),       // diph.dwHeaderSize
1077                         0,                          // diph.dwObj
1078                         DIPH_DEVICE,                // diph.dwHow
1079                 },
1080                 DINPUT_BUFFERSIZE,              // dwData
1081         };
1082
1083         if (!hInstDI)
1084         {
1085                 hInstDI = LoadLibrary("dinput.dll");
1086
1087                 if (hInstDI == NULL)
1088                 {
1089                         Con_Print("Couldn't load dinput.dll\n");
1090                         return false;
1091                 }
1092         }
1093
1094         if (!pDirectInputCreate)
1095         {
1096                 pDirectInputCreate = (void *)GetProcAddress(hInstDI,"DirectInputCreateA");
1097
1098                 if (!pDirectInputCreate)
1099                 {
1100                         Con_Print("Couldn't get DI proc addr\n");
1101                         return false;
1102                 }
1103         }
1104
1105 // register with DirectInput and get an IDirectInput to play with.
1106         hr = iDirectInputCreate(global_hInstance, DIRECTINPUT_VERSION, &g_pdi, NULL);
1107
1108         if (FAILED(hr))
1109         {
1110                 return false;
1111         }
1112
1113 // obtain an interface to the system mouse device.
1114         hr = IDirectInput_CreateDevice(g_pdi, &GUID_SysMouse, &g_pMouse, NULL);
1115
1116         if (FAILED(hr))
1117         {
1118                 Con_Print("Couldn't open DI mouse device\n");
1119                 return false;
1120         }
1121
1122 // set the data format to "mouse format".
1123         hr = IDirectInputDevice_SetDataFormat(g_pMouse, &c_dfDIMouse);
1124
1125         if (FAILED(hr))
1126         {
1127                 Con_Print("Couldn't set DI mouse format\n");
1128                 return false;
1129         }
1130
1131 // set the cooperativity level.
1132         hr = IDirectInputDevice_SetCooperativeLevel(g_pMouse, mainwindow,
1133                         DISCL_EXCLUSIVE | DISCL_FOREGROUND);
1134
1135         if (FAILED(hr))
1136         {
1137                 Con_Print("Couldn't set DI coop level\n");
1138                 return false;
1139         }
1140
1141
1142 // set the buffer size to DINPUT_BUFFERSIZE elements.
1143 // the buffer size is a DWORD property associated with the device
1144         hr = IDirectInputDevice_SetProperty(g_pMouse, DIPROP_BUFFERSIZE, &dipdw.diph);
1145
1146         if (FAILED(hr))
1147         {
1148                 Con_Print("Couldn't set DI buffersize\n");
1149                 return false;
1150         }
1151
1152         return true;
1153 }
1154
1155
1156 /*
1157 ===========
1158 IN_StartupMouse
1159 ===========
1160 */
1161 static void IN_StartupMouse (void)
1162 {
1163         if (COM_CheckParm ("-nomouse"))
1164                 return;
1165
1166         mouseinitialized = true;
1167
1168 // COMMANDLINEOPTION: Windows Input: -dinput enables DirectInput for mouse/joystick input
1169         if (COM_CheckParm ("-dinput"))
1170                 dinput = IN_InitDInput ();
1171
1172         if (dinput)
1173                 Con_Print("DirectInput initialized\n");
1174         else
1175                 Con_Print("DirectInput not initialized\n");
1176
1177         mouse_buttons = 10;
1178 }
1179
1180
1181 /*
1182 ===========
1183 IN_MouseMove
1184 ===========
1185 */
1186 static void IN_MouseMove (void)
1187 {
1188         int i, mx, my;
1189         POINT current_pos;
1190
1191         if (!vid_usingmouse)
1192         {
1193                 //GetCursorPos (&current_pos);
1194                 //ui_mouseupdate(current_pos.x - window_x, current_pos.y - window_y);
1195                 return;
1196         }
1197
1198         if (dinput_acquired)
1199         {
1200                 DIDEVICEOBJECTDATA      od;
1201                 DWORD                           dwElements;
1202                 HRESULT                         hr;
1203                 mx = 0;
1204                 my = 0;
1205
1206                 for (;;)
1207                 {
1208                         dwElements = 1;
1209
1210                         hr = IDirectInputDevice_GetDeviceData(g_pMouse,
1211                                         sizeof(DIDEVICEOBJECTDATA), &od, &dwElements, 0);
1212
1213                         if ((hr == DIERR_INPUTLOST) || (hr == DIERR_NOTACQUIRED))
1214                         {
1215                                 IDirectInputDevice_Acquire(g_pMouse);
1216                                 break;
1217                         }
1218
1219                         /* Unable to read data or no data available */
1220                         if (FAILED(hr) || dwElements == 0)
1221                                 break;
1222
1223                         /* Look at the element to see what happened */
1224
1225                         switch (od.dwOfs)
1226                         {
1227                                 case DIMOFS_X:
1228                                         mx += (LONG) od.dwData;
1229                                         break;
1230
1231                                 case DIMOFS_Y:
1232                                         my += (LONG) od.dwData;
1233                                         break;
1234
1235                                 case DIMOFS_Z:
1236                                         if((LONG) od.dwData < 0)
1237                                         {
1238                                                 Key_Event (K_MWHEELDOWN, 0, true);
1239                                                 Key_Event (K_MWHEELDOWN, 0, false);
1240                                         }
1241                                         else if((LONG) od.dwData > 0)
1242                                         {
1243                                                 Key_Event (K_MWHEELUP, 0, true);
1244                                                 Key_Event (K_MWHEELUP, 0, false);
1245                                         }
1246                                         break;
1247
1248                                 case DIMOFS_BUTTON0:
1249                                         if (od.dwData & 0x80)
1250                                                 mstate_di |= 1;
1251                                         else
1252                                                 mstate_di &= ~1;
1253                                         break;
1254
1255                                 case DIMOFS_BUTTON1:
1256                                         if (od.dwData & 0x80)
1257                                                 mstate_di |= (1<<1);
1258                                         else
1259                                                 mstate_di &= ~(1<<1);
1260                                         break;
1261
1262                                 case DIMOFS_BUTTON2:
1263                                         if (od.dwData & 0x80)
1264                                                 mstate_di |= (1<<2);
1265                                         else
1266                                                 mstate_di &= ~(1<<2);
1267                                         break;
1268
1269                                 case DIMOFS_BUTTON3:
1270                                         if (od.dwData & 0x80)
1271                                                 mstate_di |= (1<<3);
1272                                         else
1273                                                 mstate_di &= ~(1<<3);
1274                                         break;
1275                         }
1276                 }
1277
1278                 // perform button actions
1279                 for (i=0 ; i<mouse_buttons && i < 16 ; i++)
1280                         if ((mstate_di ^ mouse_oldbuttonstate) & (1<<i))
1281                                 Key_Event (buttonremap[i], 0, (mstate_di & (1<<i)) != 0);
1282                 mouse_oldbuttonstate = mstate_di;
1283
1284                 in_mouse_x = mx;
1285                 in_mouse_y = my;
1286         }
1287         else
1288         {
1289                 GetCursorPos (&current_pos);
1290                 mx = current_pos.x - (window_x + vid.width / 2);
1291                 my = current_pos.y - (window_y + vid.height / 2);
1292
1293                 in_mouse_x = mx;
1294                 in_mouse_y = my;
1295
1296                 // if the mouse has moved, force it to the center, so there's room to move
1297                 if (!cl.csqc_wantsmousemove)
1298                 if (mx || my)
1299                         SetCursorPos ((window_x + vid.width / 2), (window_y + vid.height / 2));
1300         }
1301 }
1302
1303
1304 /*
1305 ===========
1306 IN_Move
1307 ===========
1308 */
1309 void IN_Move (void)
1310 {
1311         if (vid_activewindow && !vid_hidden)
1312         {
1313                 IN_MouseMove ();
1314                 IN_JoyMove ();
1315         }
1316 }
1317
1318
1319 /*
1320 ===============
1321 IN_StartupJoystick
1322 ===============
1323 */
1324 static void IN_StartupJoystick (void)
1325 {
1326         int                     numdevs;
1327         JOYCAPS         jc;
1328         MMRESULT        mmr;
1329         mmr = 0;
1330
1331         // assume no joystick
1332         joy_avail = false;
1333
1334         // abort startup if user requests no joystick
1335 // COMMANDLINEOPTION: Windows Input: -nojoy disables joystick support, may be a small speed increase
1336         if (COM_CheckParm ("-nojoy"))
1337                 return;
1338
1339         // verify joystick driver is present
1340         if ((numdevs = joyGetNumDevs ()) == 0)
1341         {
1342                 Con_Print("\njoystick not found -- driver not present\n\n");
1343                 return;
1344         }
1345
1346         // cycle through the joystick ids for the first valid one
1347         for (joy_id=0 ; joy_id<numdevs ; joy_id++)
1348         {
1349                 memset (&ji, 0, sizeof(ji));
1350                 ji.dwSize = sizeof(ji);
1351                 ji.dwFlags = JOY_RETURNCENTERED;
1352
1353                 if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
1354                         break;
1355         }
1356
1357         // abort startup if we didn't find a valid joystick
1358         if (mmr != JOYERR_NOERROR)
1359         {
1360                 Con_Printf("\njoystick not found -- no valid joysticks (%x)\n\n", mmr);
1361                 return;
1362         }
1363
1364         // get the capabilities of the selected joystick
1365         // abort startup if command fails
1366         memset (&jc, 0, sizeof(jc));
1367         if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
1368         {
1369                 Con_Printf("\njoystick not found -- invalid joystick capabilities (%x)\n\n", mmr);
1370                 return;
1371         }
1372
1373         // save the joystick's number of buttons and POV status
1374         joy_numbuttons = jc.wNumButtons;
1375         joy_haspov = jc.wCaps & JOYCAPS_HASPOV;
1376
1377         // old button and POV states default to no buttons pressed
1378         joy_oldbuttonstate = joy_oldpovstate = 0;
1379
1380         // mark the joystick as available and advanced initialization not completed
1381         // this is needed as cvars are not available during initialization
1382
1383         joy_avail = true;
1384         joy_advancedinit = false;
1385
1386         Con_Print("\njoystick detected\n\n");
1387 }
1388
1389
1390 /*
1391 ===========
1392 RawValuePointer
1393 ===========
1394 */
1395 static PDWORD RawValuePointer (int axis)
1396 {
1397         switch (axis)
1398         {
1399         case JOY_AXIS_X:
1400                 return &ji.dwXpos;
1401         case JOY_AXIS_Y:
1402                 return &ji.dwYpos;
1403         case JOY_AXIS_Z:
1404                 return &ji.dwZpos;
1405         case JOY_AXIS_R:
1406                 return &ji.dwRpos;
1407         case JOY_AXIS_U:
1408                 return &ji.dwUpos;
1409         case JOY_AXIS_V:
1410                 return &ji.dwVpos;
1411         }
1412         return NULL; // LordHavoc: hush compiler warning
1413 }
1414
1415
1416 /*
1417 ===========
1418 Joy_AdvancedUpdate_f
1419 ===========
1420 */
1421 static void Joy_AdvancedUpdate_f (void)
1422 {
1423
1424         // called once by IN_ReadJoystick and by user whenever an update is needed
1425         // cvars are now available
1426         int     i;
1427         DWORD dwTemp;
1428
1429         // initialize all the maps
1430         for (i = 0; i < JOY_MAX_AXES; i++)
1431         {
1432                 dwAxisMap[i] = AxisNada;
1433                 dwControlMap[i] = JOY_ABSOLUTE_AXIS;
1434                 pdwRawValue[i] = RawValuePointer(i);
1435         }
1436
1437         if( joy_advanced.integer == 0)
1438         {
1439                 // default joystick initialization
1440                 // 2 axes only with joystick control
1441                 dwAxisMap[JOY_AXIS_X] = AxisTurn;
1442                 // dwControlMap[JOY_AXIS_X] = JOY_ABSOLUTE_AXIS;
1443                 dwAxisMap[JOY_AXIS_Y] = AxisForward;
1444                 // dwControlMap[JOY_AXIS_Y] = JOY_ABSOLUTE_AXIS;
1445         }
1446         else
1447         {
1448                 if (strcmp (joy_name.string, "joystick") != 0)
1449                 {
1450                         // notify user of advanced controller
1451                         Con_Printf("\n%s configured\n\n", joy_name.string);
1452                 }
1453
1454                 // advanced initialization here
1455                 // data supplied by user via joy_axisn cvars
1456                 dwTemp = (DWORD) joy_advaxisx.value;
1457                 dwAxisMap[JOY_AXIS_X] = dwTemp & 0x0000000f;
1458                 dwControlMap[JOY_AXIS_X] = dwTemp & JOY_RELATIVE_AXIS;
1459                 dwTemp = (DWORD) joy_advaxisy.value;
1460                 dwAxisMap[JOY_AXIS_Y] = dwTemp & 0x0000000f;
1461                 dwControlMap[JOY_AXIS_Y] = dwTemp & JOY_RELATIVE_AXIS;
1462                 dwTemp = (DWORD) joy_advaxisz.value;
1463                 dwAxisMap[JOY_AXIS_Z] = dwTemp & 0x0000000f;
1464                 dwControlMap[JOY_AXIS_Z] = dwTemp & JOY_RELATIVE_AXIS;
1465                 dwTemp = (DWORD) joy_advaxisr.value;
1466                 dwAxisMap[JOY_AXIS_R] = dwTemp & 0x0000000f;
1467                 dwControlMap[JOY_AXIS_R] = dwTemp & JOY_RELATIVE_AXIS;
1468                 dwTemp = (DWORD) joy_advaxisu.value;
1469                 dwAxisMap[JOY_AXIS_U] = dwTemp & 0x0000000f;
1470                 dwControlMap[JOY_AXIS_U] = dwTemp & JOY_RELATIVE_AXIS;
1471                 dwTemp = (DWORD) joy_advaxisv.value;
1472                 dwAxisMap[JOY_AXIS_V] = dwTemp & 0x0000000f;
1473                 dwControlMap[JOY_AXIS_V] = dwTemp & JOY_RELATIVE_AXIS;
1474         }
1475
1476         // compute the axes to collect from DirectInput
1477         joy_flags = JOY_RETURNCENTERED | JOY_RETURNBUTTONS | JOY_RETURNPOV;
1478         for (i = 0; i < JOY_MAX_AXES; i++)
1479         {
1480                 if (dwAxisMap[i] != AxisNada)
1481                 {
1482                         joy_flags |= dwAxisFlags[i];
1483                 }
1484         }
1485 }
1486
1487 /*
1488 ===============
1489 IN_ReadJoystick
1490 ===============
1491 */
1492 static qboolean IN_ReadJoystick (void)
1493 {
1494
1495         memset (&ji, 0, sizeof(ji));
1496         ji.dwSize = sizeof(ji);
1497         ji.dwFlags = joy_flags;
1498
1499         if (joyGetPosEx (joy_id, &ji) == JOYERR_NOERROR)
1500         {
1501                 // this is a hack -- there is a bug in the Logitech WingMan Warrior DirectInput Driver
1502                 // rather than having 32768 be the zero point, they have the zero point at 32668
1503                 // go figure -- anyway, now we get the full resolution out of the device
1504                 if (joy_wwhack1.integer != 0.0)
1505                 {
1506                         ji.dwUpos += 100;
1507                 }
1508                 return true;
1509         }
1510         else
1511         {
1512                 // read error occurred
1513                 // turning off the joystick seems too harsh for 1 read error,
1514                 // but what should be done?
1515                 return false;
1516         }
1517 }
1518
1519
1520 /*
1521 ===========
1522 IN_JoyMove
1523 ===========
1524 */
1525 static void IN_JoyMove (void)
1526 {
1527         float   speed, aspeed;
1528         float   fAxisValue, fTemp;
1529         int             i, mouselook = (in_mlook.state & 1) || freelook.integer;
1530
1531         // complete initialization if first time in
1532         // this is needed as cvars are not available at initialization time
1533         if( joy_advancedinit != true )
1534         {
1535                 Joy_AdvancedUpdate_f();
1536                 joy_advancedinit = true;
1537         }
1538
1539         if (joy_avail)
1540         {
1541                 int             i, key_index;
1542                 DWORD   buttonstate, povstate;
1543
1544                 // loop through the joystick buttons
1545                 // key a joystick event or auxillary event for higher number buttons for each state change
1546                 buttonstate = ji.dwButtons;
1547                 for (i=0 ; i < (int) joy_numbuttons ; i++)
1548                 {
1549                         if ( (buttonstate & (1<<i)) && !(joy_oldbuttonstate & (1<<i)) )
1550                         {
1551                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1552                                 Key_Event (key_index + i, 0, true);
1553                         }
1554
1555                         if ( !(buttonstate & (1<<i)) && (joy_oldbuttonstate & (1<<i)) )
1556                         {
1557                                 key_index = (i < 16) ? K_JOY1 : K_AUX1;
1558                                 Key_Event (key_index + i, 0, false);
1559                         }
1560                 }
1561                 joy_oldbuttonstate = buttonstate;
1562
1563                 if (joy_haspov)
1564                 {
1565                         // convert POV information into 4 bits of state information
1566                         // this avoids any potential problems related to moving from one
1567                         // direction to another without going through the center position
1568                         povstate = 0;
1569                         if(ji.dwPOV != JOY_POVCENTERED)
1570                         {
1571                                 if (ji.dwPOV == JOY_POVFORWARD)
1572                                         povstate |= 0x01;
1573                                 if (ji.dwPOV == JOY_POVRIGHT)
1574                                         povstate |= 0x02;
1575                                 if (ji.dwPOV == JOY_POVBACKWARD)
1576                                         povstate |= 0x04;
1577                                 if (ji.dwPOV == JOY_POVLEFT)
1578                                         povstate |= 0x08;
1579                         }
1580                         // determine which bits have changed and key an auxillary event for each change
1581                         for (i=0 ; i < 4 ; i++)
1582                         {
1583                                 if ( (povstate & (1<<i)) && !(joy_oldpovstate & (1<<i)) )
1584                                 {
1585                                         Key_Event (K_AUX29 + i, 0, true);
1586                                 }
1587
1588                                 if ( !(povstate & (1<<i)) && (joy_oldpovstate & (1<<i)) )
1589                                 {
1590                                         Key_Event (K_AUX29 + i, 0, false);
1591                                 }
1592                         }
1593                         joy_oldpovstate = povstate;
1594                 }
1595         }
1596
1597         // verify joystick is available and that the user wants to use it
1598         if (!joy_avail || !in_joystick.integer)
1599         {
1600                 return;
1601         }
1602
1603         // collect the joystick data, if possible
1604         if (IN_ReadJoystick () != true)
1605         {
1606                 return;
1607         }
1608
1609         if (in_speed.state & 1)
1610                 speed = cl_movespeedkey.value;
1611         else
1612                 speed = 1;
1613         // LordHavoc: viewzoom affects sensitivity for sniping
1614         aspeed = speed * cl.realframetime * cl.viewzoom;
1615
1616         // loop through the axes
1617         for (i = 0; i < JOY_MAX_AXES; i++)
1618         {
1619                 // get the floating point zero-centered, potentially-inverted data for the current axis
1620                 fAxisValue = (float) *pdwRawValue[i];
1621                 // move centerpoint to zero
1622                 fAxisValue -= 32768.0;
1623
1624                 if (joy_wwhack2.integer != 0.0)
1625                 {
1626                         if (dwAxisMap[i] == AxisTurn)
1627                         {
1628                                 // this is a special formula for the Logitech WingMan Warrior
1629                                 // y=ax^b; where a = 300 and b = 1.3
1630                                 // also x values are in increments of 800 (so this is factored out)
1631                                 // then bounds check result to level out excessively high spin rates
1632                                 fTemp = 300.0 * pow(abs(fAxisValue) / 800.0, 1.3);
1633                                 if (fTemp > 14000.0)
1634                                         fTemp = 14000.0;
1635                                 // restore direction information
1636                                 fAxisValue = (fAxisValue > 0.0) ? fTemp : -fTemp;
1637                         }
1638                 }
1639
1640                 // convert range from -32768..32767 to -1..1
1641                 fAxisValue /= 32768.0;
1642
1643                 switch (dwAxisMap[i])
1644                 {
1645                 case AxisForward:
1646                         if ((joy_advanced.integer == 0) && mouselook)
1647                         {
1648                                 // user wants forward control to become look control
1649                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1650                                 {
1651                                         // if mouse invert is on, invert the joystick pitch value
1652                                         // only absolute control support here (joy_advanced is false)
1653                                         if (m_pitch.value < 0.0)
1654                                         {
1655                                                 cl.viewangles[PITCH] -= (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1656                                         }
1657                                         else
1658                                         {
1659                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1660                                         }
1661                                         V_StopPitchDrift();
1662                                 }
1663                                 else
1664                                 {
1665                                         // no pitch movement
1666                                         // disable pitch return-to-center unless requested by user
1667                                         // *** this code can be removed when the lookspring bug is fixed
1668                                         // *** the bug always has the lookspring feature on
1669                                         if(lookspring.value == 0.0)
1670                                                 V_StopPitchDrift();
1671                                 }
1672                         }
1673                         else
1674                         {
1675                                 // user wants forward control to be forward control
1676                                 if (fabs(fAxisValue) > joy_forwardthreshold.value)
1677                                 {
1678                                         cl.cmd.forwardmove += (fAxisValue * joy_forwardsensitivity.value) * speed * cl_forwardspeed.value;
1679                                 }
1680                         }
1681                         break;
1682
1683                 case AxisSide:
1684                         if (fabs(fAxisValue) > joy_sidethreshold.value)
1685                         {
1686                                 cl.cmd.sidemove += (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1687                         }
1688                         break;
1689
1690                 case AxisTurn:
1691                         if ((in_strafe.state & 1) || (lookstrafe.integer && mouselook))
1692                         {
1693                                 // user wants turn control to become side control
1694                                 if (fabs(fAxisValue) > joy_sidethreshold.value)
1695                                 {
1696                                         cl.cmd.sidemove -= (fAxisValue * joy_sidesensitivity.value) * speed * cl_sidespeed.value;
1697                                 }
1698                         }
1699                         else
1700                         {
1701                                 // user wants turn control to be turn control
1702                                 if (fabs(fAxisValue) > joy_yawthreshold.value)
1703                                 {
1704                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1705                                         {
1706                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * aspeed * cl_yawspeed.value;
1707                                         }
1708                                         else
1709                                         {
1710                                                 cl.viewangles[YAW] += (fAxisValue * joy_yawsensitivity.value) * speed * 180.0;
1711                                         }
1712
1713                                 }
1714                         }
1715                         break;
1716
1717                 case AxisLook:
1718                         if (mouselook)
1719                         {
1720                                 if (fabs(fAxisValue) > joy_pitchthreshold.value)
1721                                 {
1722                                         // pitch movement detected and pitch movement desired by user
1723                                         if(dwControlMap[i] == JOY_ABSOLUTE_AXIS)
1724                                         {
1725                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * aspeed * cl_pitchspeed.value;
1726                                         }
1727                                         else
1728                                         {
1729                                                 cl.viewangles[PITCH] += (fAxisValue * joy_pitchsensitivity.value) * speed * 180.0;
1730                                         }
1731                                         V_StopPitchDrift();
1732                                 }
1733                                 else
1734                                 {
1735                                         // no pitch movement
1736                                         // disable pitch return-to-center unless requested by user
1737                                         // *** this code can be removed when the lookspring bug is fixed
1738                                         // *** the bug always has the lookspring feature on
1739                                         if(lookspring.integer == 0)
1740                                                 V_StopPitchDrift();
1741                                 }
1742                         }
1743                         break;
1744
1745                 default:
1746                         break;
1747                 }
1748         }
1749 }
1750
1751 static void IN_Init(void)
1752 {
1753         uiWheelMessage = RegisterWindowMessage ( "MSWHEEL_ROLLMSG" );
1754
1755         // joystick variables
1756         Cvar_RegisterVariable (&in_joystick);
1757         Cvar_RegisterVariable (&joy_name);
1758         Cvar_RegisterVariable (&joy_advanced);
1759         Cvar_RegisterVariable (&joy_advaxisx);
1760         Cvar_RegisterVariable (&joy_advaxisy);
1761         Cvar_RegisterVariable (&joy_advaxisz);
1762         Cvar_RegisterVariable (&joy_advaxisr);
1763         Cvar_RegisterVariable (&joy_advaxisu);
1764         Cvar_RegisterVariable (&joy_advaxisv);
1765         Cvar_RegisterVariable (&joy_forwardthreshold);
1766         Cvar_RegisterVariable (&joy_sidethreshold);
1767         Cvar_RegisterVariable (&joy_pitchthreshold);
1768         Cvar_RegisterVariable (&joy_yawthreshold);
1769         Cvar_RegisterVariable (&joy_forwardsensitivity);
1770         Cvar_RegisterVariable (&joy_sidesensitivity);
1771         Cvar_RegisterVariable (&joy_pitchsensitivity);
1772         Cvar_RegisterVariable (&joy_yawsensitivity);
1773         Cvar_RegisterVariable (&joy_wwhack1);
1774         Cvar_RegisterVariable (&joy_wwhack2);
1775         Cmd_AddCommand ("joyadvancedupdate", Joy_AdvancedUpdate_f, "applies current joyadv* cvar settings to the joystick driver");
1776 }
1777
1778 static void IN_Shutdown(void)
1779 {
1780         IN_Activate (false);
1781
1782         if (g_pMouse)
1783                 IDirectInputDevice_Release(g_pMouse);
1784         g_pMouse = NULL;
1785
1786         if (g_pdi)
1787                 IDirectInput_Release(g_pdi);
1788         g_pdi = NULL;
1789 }